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By Clare Green · Jul 2026

Mo

OriginDiminutive of Maureen, Irish variation of Mary, Hebrew
Meaning"bitter"
GenderGirl
Also a boy's nameShow me Mo as a boy's name
NB Rank#4215

On Nameberry

About Mo

Variation of Maureen

Famous Mos

  • Maureen Ann "Mo" Collins

    American actress

  • Maureen E. "Mo" Gaffney

    American actress/comedienne

  • Marjorie "Mo" Mowlam

    English politician

  • Maureen "Mo" Oldman aka Laila Morse

    English actress

  • Maureen Catherine "Little Mo" Connolly

    American tennis player

  • Mo Hayder

    British novelist

  • Melissa Linda "Mo" Martin

    American golfer

  • MØ

    stage name of Karen Marie Aagaard Ørsted, Danish singer,songwriter

  • Lily Mo Sheen (b. 1999)

    daughter of actors Kate Beckinsale and Martin Sheen

Mo in pop culture

  • Maureen "Mo" Johnson

    character in musical RENT

  • Maureen "Mo" Brown

    character in the Mortal Instruments series by Cassandra Clare

Mo on more lists

2 Letter Girl Names
Names Ending in O for Girls
Names That Mean Bitter
Names That Mean Variation
One Syllable Names for Girls

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